Mass per volume density.
Micrograms per Cup to Nanograms per Teaspoon Converter — ug/cup to ng/tsp
Convert Microgram per Cup (ug/cup) to Nanogram per Teaspoon (ng/tsp) using the exact conversion factor (1 microgram per cup = 20.83333333 nanogram per teaspoon). See the formula, worked examples, and conversion table.
Micrograms per Cup to Nanograms per Teaspoon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 4.22675284e-6 / 2.02884136e-7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Cup to Nanograms per Teaspoon
Microgram per Cup and Nanogram per Teaspoon both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
nanograms per teaspoon = micrograms per cup × 20.8333333333
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per cup equals 0.00000422675283773 base units, and 1 nanogram per teaspoon equals 2.028841e-7 base units, so dividing one by the other gives the direct microgram per cup-to-nanogram per teaspoon factor of 20.8333333333.
Simple example
1 ug/cup × 20.83333333 = 20.83333333 ng/tsp
1 microgram per cup = 20.83333333 nanograms per teaspoon.
Real-world example
1,000 ug/cup × 20.83333333 = 20,833.33333 ng/tsp
1,000 micrograms per cup = 20,833.33333 nanograms per teaspoon.
Conversion table
| Microgram per Cup (ug/cup) | Nanogram per Teaspoon (ng/tsp) |
|---|---|
| 0.1 ug/cup | 2.083333333 ng/tsp |
| 1 ug/cup | 20.83333333 ng/tsp |
| 10 ug/cup | 208.3333333 ng/tsp |
| 100 ug/cup | 2,083.333333 ng/tsp |
| 1,000 ug/cup | 20,833.33333 ng/tsp |
| 10,000 ug/cup | 208,333.3333 ng/tsp |
Reverse conversion: Nanogram per Teaspoon to Microgram per Cup
20.83333333 ng/tsp × 0.048 = 0.9999999998 ug/cup
20.83333333 nanograms per teaspoon = 0.9999999998 micrograms per cup.
micrograms per cup = nanograms per teaspoon × 0.048
For a page dedicated to this direction, see Nanogram per Teaspoon to Microgram per Cup.
Understanding the Microgram per Cup (ug/cup)
Mass per volume density.
Understanding the Nanogram per Teaspoon (ng/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nanograms per teaspoon are in 1 microgram per cup?
1 microgram per cup equals 20.83333333 nanograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per cup to nanogram per teaspoon?
Multiply the microgram per cup value by 20.83333333. The converter above does this instantly to whatever precision you set.
How do I convert nanogram per teaspoon back to microgram per cup?
Use the reverse factor: 1 nanogram per teaspoon equals 0.048 micrograms per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per cup?
Microgram per Cup (ug/cup) is a unit of density.
What is a nanogram per teaspoon?
Nanogram per Teaspoon (ng/tsp) is a unit of density.
Is the microgram per cup to nanogram per teaspoon conversion exact?
Yes. Both microgram per cup and nanogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 20.83333333 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.